Tread



FIG. 1 is a front perspective view of a tread showing our new design;

FIG. 2 is front view thereof, the rear view being a mirror image thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a rear perspective view thereof.

The bottom view is omitted as it forms no part of the claimed design.

The dot-dash broken lines illustrate boundaries of the claimed design; the boundaries themselves form no part of the claimed design.

The drawings include surface shading that represents contour and not surface ornamentation. 

CLAIM The ornamental design for a tread, as shown and described. 